1282253878 has 8 divisors (see below), whose sum is σ = 1923533280. Its totient is φ = 641076120.

The previous prime is 1282253813. The next prime is 1282253897. The reversal of 1282253878 is 8783522821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32788 + ... + 60328.

It is an arithmetic number, because the mean of its divisors is an integer number (240441660).

Almost surely, 2^1282253878 is an apocalyptic number.

1282253878 is a deficient number, since it is larger than the sum of its proper divisors (641279402).

1282253878 is a wasteful number, since it uses less digits than its factorization.

1282253878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50822.

The product of its digits is 430080, while the sum is 46.

The square root of 1282253878 is about 35808.5726886733. The cubic root of 1282253878 is about 1086.4039610893.

The spelling of 1282253878 in words is "one billion, two hundred eighty-two million, two hundred fifty-three thousand, eight hundred seventy-eight".